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Plants that Flower in September

The heat may be starting to fade, but that does not mean the colour should. Keep it fresh with asters, phlox and late-flowering anemones.

By type
Facing
How much sun
Soil type
Special conditions
Curated Collections
Flower colour
Evergreen / deciduous
Fragrance
Attractive to wildlife
Quick growing
Eventual size
Special features
Indoor plants by room
Bulb divisions
Bedding planting time
RHS Chelsea Flower Show plant of year
Sowing month inside or protected
Sowing month outside
Vegetable harvesting month
Multibuy packs
Ready made borders
Planting combinations
Hardy
Leaf colour
Ground cover
Position
Shape
Soil moisture
Used at RHS Chelsea Flower Show
Kitchen garden planting guidelines
Sort by name
All items
Showing Flowering month : September clear all
512 items
Dahlia Purple Flame (PBR)
Dahlia 'Purple Flame' (PBR)
From £4.79
available to order from winter
Dahlia Purple Gem
Dahlia 'Purple Gem'
From £4.79
available to order from winter
0.25 star 1 star 1 star 1 star 1 star 4.2 5 6 (6)
Dahlia Rhubarb and Custard (Sweet Candy Series)
Dahlia 'Rhubarb and Custard' (Sweet Candy Series)
From £4.79
available to order from winter
Dahlia Rip City

20% off

Dahlia 'Rip City'
From £4.63
3 litre pot
2 + 1 FREE 3 litre pots
0.75 star 1 star 1 star 1 star 1 star 4.7 5 7 (7)
Dahlia Salmon Runner
Dahlia 'Salmon Runner'
From £4.79
available to order from winter
Dahlia Seniors Darkness
Dahlia 'Seniors Darkness'
From £4.79
available to order from winter
0 star 0.5 star 1 star 1 star 1 star 3.5 5 2 (2)
Dahlia Seniors Hope
Dahlia 'Seniors Hope'
From £4.79
available to order from winter
Dahlia Silver Years
Dahlia 'Silver Years'
From £4.79
available to order from winter
Dahlia Skyfall

New

Dahlia 'Skyfall'
£5.99 £4.79
sold out
Dahlia Snowbound
Dahlia 'Snowbound'
From £4.79
available to order from winter
Dahlia Soulman

20% off

Dahlia 'Soulman'
From £4.79
3 litre pot
2 + 1 FREE 3 litre pots
0.75 star 1 star 1 star 1 star 1 star 4.7 5 3 (3)
Dahlia Spartacus' Senior

20% off

Dahlia 'Spartacus' Senior'
From £4.79
3 litre pot
2 + 1 FREE 3 litre pots
0 star 1 star 1 star 1 star 1 star 4.0 5 2 (2)
Dahlia Statue of Orange
Dahlia 'Statue of Orange'
From £4.79
available to order from winter
Dahlia Strawberry Bon Bon (Sweet Candy Series)
Dahlia 'Strawberry Bon Bon' (Sweet Candy Series)
From £11.99
available to order from summer
Dahlia Strawberry Cream
Dahlia 'Strawberry Cream'
From £4.79
available to order from winter
Dahlia Sturm Christel
Dahlia 'Sturm Christel'
From £4.79
available to order from summer
Dahlia Sturm Sweet Maria

New

Dahlia 'Sturm Sweet Maria'
From £4.79
available to order from winter
Dahlia Sweet Love
Dahlia 'Sweet Love'
From £4.79
available to order from winter
Dahlia Sweet Suzanne
Dahlia 'Sweet Suzanne'
From £4.79
available to order from winter
0 star 0 star 1 star 1 star 1 star 3.0 5 1 (1)
Dahlia Tamburo

20% off

Dahlia 'Tamburo'
From £11.99
3 litre pot
2 + 1 FREE 3 litre pots
Dahlia Thomas A. Edison

20% off

Dahlia 'Thomas A. Edison'
From £4.63
3 litre pot
2 + 1 FREE 3 litre pots
0.75 star 1 star 1 star 1 star 1 star (5)
Dahlia Totally Tangerine

20% off

Dahlia 'Totally Tangerine'
From £4.31
3 litre pot
2 + 1 FREE 3 litre pots
1 star 1 star 1 star 1 star 1 star (10)
Dahlia Verrones Obsidian

20% off

Dahlia 'Verrone's Obsidian'
From £4.31
3 litre pot
2 + 1 FREE 3 litre pots
0.75 star 1 star 1 star 1 star 1 star (4)
Dahlia Waltzing Mathilda

20% off

Dahlia 'Waltzing Mathilda'
From £4.63
3 litre pot
2 + 1 FREE 3 litre pots
0 star 1 star 1 star 1 star 1 star (2)
Dahlia White Isa
Dahlia 'White Isa'
From £4.79
available to order from winter
Dahlia Wine Eyed Jill
Dahlia 'Wine Eyed Jill'
From £4.79
available to order from winter
Dahlia Wizard of Oz
Dahlia 'Wizard of Oz'
From £4.79
available to order from winter
0.75 star 1 star 1 star 1 star 1 star (6)
Dahlia Dahlegria Tricolore ('Dahlgr85') (PBR) (Dahlegria Series)
Dahlia Dahlegria Tricolore ('Dahlgr85') (PBR) (Dahlegria Series)
From £4.79
available to order from winter
0 star 0 star 0 star 0 star 1 star (1)
Dahlia Dragon Ball ('Vdtg31') (PBR) (Dark Angel Series)

New

Dahlia Dragon Ball ('Vdtg31') (PBR) (Dark Angel Series)
From £4.79
available to order from winter
Dahlia Happy Single Date ('HS Date') (PBR) (Happy Single Series)
Dahlia Happy Single Date ('HS Date') (PBR) (Happy Single Series)
From £4.79
available to order from winter
Dahlia Happy Single Kiss ('HS Kiss') (PBR) (Happy Single Series)
Dahlia Happy Single Kiss ('HS Kiss') (PBR) (Happy Single Series)
From £4.79
available to order from winter
Dahlia Happy Single Wink ('HS Wink') (PBR) (Happy Single Series)
Dahlia Happy Single Wink ('HS Wink') (PBR) (Happy Single Series)
From £4.79
available to order from winter
0.25 star 1 star 1 star 1 star 1 star (11)
Dahlia imperialis
Dahlia imperialis
From £6.39
available to order from winter
1 star 1 star 1 star 1 star 1 star (2)
Dahlia merckii

New

20% off

Dahlia merckii
From £4.79
approx 10 seeds
1 star 1 star 1 star 1 star 1 star (2)
Dahlia Pretty Woman ('Vdtg43') (PBR) (Dark Angel Series)

20% off

Dahlia Pretty Woman ('Vdtg43') (PBR) (Dark Angel Series)
From £4.79
3 litre pot
2 + 1 FREE 3 litre pots
0 star 0.75 star 1 star 1 star 1 star (6)
Dahlia Prinzessa ('Ariko 10-16')
Dahlia Prinzessa ('Ariko 10-16')
From £4.79
available to order from summer
Dahlia Star Wars ('Vdtg14') (PBR) (Dark Angel Series)
Dahlia Star Wars ('Vdtg14') (PBR) (Dark Angel Series)
From £4.79
available to order from winter
0.25 star 1 star 1 star 1 star 1 star (4)
Dahlia Taxi Driver ('Vdtg57') (PBR) (Dark Angel Series)

New

Dahlia Taxi Driver ('Vdtg57') (PBR) (Dark Angel Series)
From £4.79
available to order from winter
1 star 1 star 1 star 1 star 1 star (1)
Dark and rich sweet pea collection
Dark & rich sweet pea collection
£9.37 £7.50
available to order from summer
Delosperma cooperi Jewel of Desert Grenade (PBR) (Jewel of Desert Series)
Delosperma cooperi 'Jewel of Desert Grenade' (PBR) (Jewel of Desert Series)
£7.99 £6.39
available to order from summer
1 star 1 star 1 star 1 star 1 star (3)
Dianthus Gran's Favourite

20% off

Dianthus 'Gran's Favourite'
From £6.39
9cm pot
3 × 9cm pots
1 star 1 star 1 star 1 star 1 star (3)
Dianthus carthusianorum

20% off

Dianthus carthusianorum
From £6.39
9cm pot
3 × 9cm pots
0.5 star 1 star 1 star 1 star 1 star (8)
Dianthus Diantica Purple Wedding ('Kledg18274') (PBR)

20% off

Dianthus Diantica Purple Wedding ('Kledg18274') (PBR)
From £6.39
9cm pot
2 + 1 FREE 9cm pots
1 star 1 star 1 star 1 star 1 star (2)
Dianthus It-Girl (-Kleda26818') (PBR)

New

20% off

Dianthus It-Girl ('Kleda26818') (PBR)
From £9.59
9cm pot
3 × 9cm pots
Dianthus Pink Kisses ('Kledg12163') (PBR)

Best Seller

20% off

Dianthus Pink Kisses ('Kledg12163') (PBR)
From £6.39
9cm pot
2 + 1 FREE 9cm pots
1 star 1 star 1 star 1 star 1 star (6)
Doellingeria umbellata

20% off

Doellingeria umbellata
From £10.39
9cm pot
3 × 9cm pots
0 star 0 star 1 star 1 star 1 star (1)
Erigeron karvinskianus

Best Seller

20% off

Erigeron karvinskianus
From £3.19
approx 100 seeds
9cm pot
3 × approx 100 seeds
3 × 9cm pots
1 star 1 star 1 star 1 star 1 star (212)
Eryngium yuccifolium

20% off

Eryngium yuccifolium
From £10.39
9cm pot
3 × 9cm pots
Escallonia Apple Blossom

20% off

Escallonia 'Apple Blossom'
From £20.79
2 litre pot
3 × 2 litre pots
0.75 star 1 star 1 star 1 star 1 star (8)
Escallonia Iveyi

20% off

Escallonia 'Iveyi'
From £19.19
2 litre pot
1 star 1 star 1 star 1 star 1 star (3)
Euphorbia ceratocarpa
Euphorbia ceratocarpa
From £9.59
available to order from summer
Evergreen groundcover mini-border collection

20% off

Evergreen groundcover mini-border collection
£62.99 £50.39
6 × 9cm plants
Farfugium japonicum var. giganteum

20% off

Farfugium japonicum var. giganteum
From £10.39
9cm pot
3 × 9cm pots
0 star 1 star 1 star 1 star 1 star (1)
Favourite salvia collection

New

20% off

Favourite salvia collection
From £25.58
1 × collection | 3 plants
3 × collections | 9 plants
Felicia amelloides
Felicia amelloides
From £6.39
available to order from winter
1 star 1 star 1 star 1 star 1 star (1)
Fuchsia Deltas Sara
Fuchsia 'Delta's Sara'
From £6.39
available to order from summer
0.75 star 1 star 1 star 1 star 1 star (20)
Galega orientalis
Galega orientalis
From £7.19
available to order from summer
Geranium nodosum

Best Seller

20% off

Geranium nodosum
From £7.99
9cm pot
3 × 9cm pots
0.25 star 1 star 1 star 1 star 1 star (3)
Geranium wallichianum Havana Blues ('Noorthava') (PBR)

20% off

Geranium wallichianum Havana Blues ('Noorthava') (PBR)
From £11.99
9cm pot
3 × 9cm pots
0.75 star 1 star 1 star 1 star 1 star (3)
grape Chardonnay

20% off

grape 'Chardonnay'
£24.99 £19.99
2 litre pot | 60cm cane
grape Muscat Bleu

20% off

grape 'Muscat Bleu'
£24.99 £19.99
2 litre pot | 60cm cane
1 star 1 star 1 star 1 star 1 star (1)
Heather (4 mixed heathers)

20% off

Heather collection (4 mixed heathers)
£34.99 £27.99
4 × 9cm pots
Heavenly Penstemon collection

New

Heavenly Penstemon collection
From £21.58
available to order from summer
Hemerocallis Stella Tangerine (PBR)

New

20% off

Hemerocallis 'Stella Tangerine' (PBR)
From £10.39
9cm pot
3 × 9cm pots
Hesperantha coccinea Major

20% off

Hesperantha coccinea 'Major'
From £9.59
9cm pot
3 × 9cm pots
0.75 star 1 star 1 star 1 star 1 star (12)
Hesperantha coccinea Mrs Hegarty

20% off

Hesperantha coccinea 'Mrs Hegarty'
From £9.59
9cm pot
3 × 9cm pots
Hydrangea arborescens Lime Rickey ('Smnhalr') (PBR)

20% off

Hydrangea arborescens Lime Rickey ('Smnhalr') (PBR)
From £27.99
2 litre pot
3 × 2 litre pots
Hydrangea macrophylla Koria (PBR)

20% off

Hydrangea macrophylla 'Koria' (PBR)
£19.99 £15.99
2 litre pot
Hydrangea macrophylla Little White

20% off

Hydrangea macrophylla 'Little White'
£17.99 £14.39
2 litre pot
0.25 star 1 star 1 star 1 star 1 star (3)
Hydrangea macrophylla Zebra (PBR) (Black Steel Series)

20% off

Hydrangea macrophylla 'Zebra' (PBR) (Black Steel Series)
£19.99 £15.99
1.5 litre pot
0.25 star 1 star 1 star 1 star 1 star (19)
Hydrangea macrophylla Deep Purple Dance ('Schrolla02') (PBR) (Music Series)

20% off

Hydrangea macrophylla Deep Purple Dance ('Schrolla02')(PBR) (Music Series)
£19.99 £15.99
2 litre pot
Hylotelephium telephium (Atropurpureum Group) Karfunkelstein

20% off

Hylotelephium telephium (Atropurpureum Group) 'Karfunkelstein'
£9.99 £7.99
9cm pot
1 star 1 star 1 star 1 star 1 star (1)
Icing sugar sweet pea seed collection
Icing sugar sweet pea seed collection
£9.67 £8.43
In stock (delivery within 2-3 working days)
Jewel garden dahlia collection

New

Jewel garden dahlia collection
From £19.00
available to order from winter
John's pollinator 5 varieties dahlia collection

New

John's pollinator 5 varieties dahlia collection
From £22.76
available to order from winter
John's pollinator dahlia collection

New

John's pollinator dahlia collection
From £14.20
available to order from winter
Last days of summer dahlia collection

New

Last days of summer dahlia collection
From £19.16
available to order from winter
Lathyrus Prince of Orange

New

20% off

Lathyrus 'Prince of Orange'
£3.99 £3.19
approx 20 seeds
Lathyrus latifolius collection

20% off

Lathyrus latifolius collection
From £23.99
1 × collection
2 + 1 FREE collections
Lathyrus odoratus Almost Black
Lathyrus odoratus 'Almost Black'
£2.99 £2.39
available to order from summer
Lathyrus odoratus Blue Velvet

New

20% off

Lathyrus odoratus 'Blue Velvet'
From £2.71
approx 20 seeds
Lathyrus odoratus Bobby's Girl
Lathyrus odoratus 'Bobby's Girl'
£2.99 £2.39
available to order from summer
Lathyrus odoratus Charlie's Angel
Lathyrus odoratus 'Charlie's Angel'
From £2.79
available to order from summer
0.25 star 1 star 1 star 1 star 1 star (5)
Lathyrus odoratus Cupani

20% off

Lathyrus odoratus 'Cupani'
From £3.03
approx 20 seeds
0 star 1 star 1 star 1 star 1 star (1)
Lathyrus odoratus Daphne
Lathyrus odoratus 'Daphne'
From £2.63
available to order from summer
Lathyrus odoratus Diamond Jubilee
Lathyrus odoratus 'Diamond Jubilee'
From £6.39
sold out
Lathyrus odoratus Dorothy Eckford
Lathyrus odoratus 'Dorothy Eckford'
£3.29 £2.63
available to order from summer
Lathyrus odoratus Eclipse
Lathyrus odoratus 'Eclipse'
£2.99 £2.39
available to order from summer
Lathyrus odoratus Frolic
Lathyrus odoratus 'Frolic'
£3.29 £2.63
available to order from summer
Lathyrus odoratus Gwendoline

20% off

Lathyrus odoratus 'Gwendoline'
£2.89 £2.31
approx 20 seeds
1 star 1 star 1 star 1 star 1 star (6)
Lathyrus odoratus High Scent
Lathyrus odoratus 'High Scent'
£4.79 £3.83
available to order from summer
Lathyrus odoratus Jilly

20% off

Lathyrus odoratus 'Jilly'
£2.99 £2.39
approx 20 seeds
Lathyrus odoratus Karen Louise
Lathyrus odoratus 'Karen Louise'
£3.49 £2.79
available to order from summer
1 star 1 star 1 star 1 star 1 star (1)
Lathyrus odoratus Leamington

20% off

Lathyrus odoratus 'Leamington'
From £2.63
approx 20 seeds
Lathyrus odoratus Lisa Marie
Lathyrus odoratus 'Lisa Marie'
£3.89 £3.11
available to order from summer
Lathyrus odoratus Matucana

20% off

Lathyrus odoratus 'Matucana'
From £2.71
approx 20 seeds
0.25 star 1 star 1 star 1 star 1 star (10)
Lathyrus odoratus Midnight

20% off

Lathyrus odoratus 'Midnight'
From £2.63
approx 20 seeds
1 star 1 star 1 star 1 star 1 star (2)
Lathyrus odoratus Mollie Rilstone

20% off

Lathyrus odoratus 'Mollie Rilstone'
From £2.63
approx 20 seeds
Lathyrus odoratus Mrs Bernard Jones
Lathyrus odoratus 'Mrs Bernard Jones'
£3.29 £2.63
available to order from summer
1 star 1 star 1 star 1 star 1 star (1)
Lathyrus odoratus Noel Sutton

20% off

Lathyrus odoratus 'Noel Sutton'
From £2.39
approx 20 seeds
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